* Preheat oven to 325°F/ 160°C .
* In the bowl of an electric mixer , cream the butter , peanut butter and the sugars together until fluffy .
* Add the egg and the dry ingredients and mix until smooth .
* Roll the dough into a log ( 2 inches thick and 8 inches long ) and use a knife to make a 3/4-inch-thick slices
* Line 2 sheets of baking sheets with parchment paper and place cookie slices on the sheets .
* Using the back of a fork , flatten the cookies and make the classic crosshatch design - press hard ! - . Sprinkle lightly with granulated sugar .
* Bake for 15 to 18 minutes or until lightly brown .

Variation : For peanut butter chocolate chunk cookies , add 1/2 cup semisweet chocolate chunks after the dry ingredients . You can use a spoon or scoop to portion these cookies rather than rolling the dough into a log .

You are tempting me with your cookies! My kids have been asking me for some choc chip cookies and I say the weather is too hot for me to bake trays of cookies! (weather is 32 degrees!)LOL! Am feeling guilty as it is!!